21591618

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1613}}^1$

素因数の和:1738

約数の個数: 32

約数和(自身を含む): 45553536

約数和(自身を除く): 23961918

約数列:

[1, 2, 3, 6, 23, 46, 69, 97, 138, 194, 291, 582, 1613, 2231, 3226, 4462, 4839, 6693, 9678, 13386, 37099, 74198, 111297, 156461, 222594, 312922, 469383, 938766, 3598603, 7197206, 10795809, 21591618]

約数ペア:

[(1, 21591618), (2, 10795809), (3, 7197206), (6, 3598603), (23, 938766), (46, 469383), (69, 312922), (97, 222594), (138, 156461), (194, 111297), (291, 74198), (582, 37099), (1613, 13386), (2231, 9678), (3226, 6693), (4462, 4839)]